英[\'rɪkəʃeɪt]
美[ ,rɪkə\'ʃeɪŋ]
Instead of sunbeams , today's light - wave communication systems use laser light ricocheting through tiny glass fibers.
今天的光波通信系统利用的不是日光束,而是通过微细玻璃纤维掠射的激光.
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